Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hang cau moi snippets" » "hang cau code snippets", "hang dau moi snippets", "hang ca moi snippets", "nhung cau moi snippets", "hang cau hoi snippets", "hang cau doi snippets", "hang cau noi snippets"
"python using java snippets" » "python using data 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: (((("hang cau moi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang cau moi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hang cau moi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang cau moi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.