Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ung thong le snippets" » "dung thong le snippets", "ong thong le snippets", "ung trong le snippets", "ung thong ke snippets", "ung thong lam snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("ung thong le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ung thong le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ung thong le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ung thong le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.