Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tran dua voi snippets" » "tran dua code snippets", "tran duc voi snippets", "tran duy voi snippets", "tranh cua voi snippets", "tran da voi snippets", "tran dua moi snippets", "tran sua voi 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: (((("tran dua voi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran dua voi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tran dua voi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran dua voi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.