Perhaps you should try some spelling variations:
"thong dung core snippets" » "thong cong core snippets", "thong thuong core snippets", "thong dung cong snippets", "thong dung co snippets", "thong dung coc snippets"
"thong dung con snippets" » "thong cong con snippets", "thong thuong con snippets", "thong dung cong snippets", "thong dung von snippets", "thong dung co snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("thong dung core snippets") OR ("thong dung con snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thong dung core snippets") OR ("thong dung con snippets"))) OR ("locating bug code snippets")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"thong dung core snippets\") OR (\"thong dung con snippets\"))) or (\"locating bug code snippets\"))".
• Removing quotes may allow a broader search: (((( thong dung core snippets ) OR ( thong dung con snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thong dung core snippets") OR ("thong dung con snippets"))) or ("locating bug code snippets"))*.