Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi cac nghe snippets" » "thi cac code snippets", "thi cap nghe snippets", "thi cac nghi snippets", "thi can nghe snippets", "thi cuc nghe snippets", "tai cac nghe snippets", "thi tac nghe 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 cac nghe 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 cac nghe snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thi cac nghe snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi cac nghe snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.