Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi dieu dot snippets" » "thi dieu code snippets", "thi lien dot snippets", "thi hien dot snippets", "vi dieu dot snippets", "thi dieu hoa snippets", "thi dieu hat snippets", "thi bieu dat 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: (((("thi dieu dot snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi dieu dot snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thi dieu dot snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi dieu dot snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.