Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong cua voi snippets" » "cong cua code snippets", "cong cu voi snippets", "dong cua voi snippets", "huong cua voi snippets", "cong chua voi snippets", "cong cua vi snippets", "cong cua hoi 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: (((("cong cua 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: (((("cong cua voi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong cua voi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong cua voi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.