Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong hay cac snippets" » "cong hay code snippets", "cong ha cac snippets", "cong xay cac snippets", "cong hai cac snippets", "cong tay cac snippets", "cong vay cac snippets", "cong phan cac 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 hay cac 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 hay cac snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong hay cac snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong hay cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.