Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong hai de snippets" » "cong hai code snippets", "cong thai de snippets", "cong ha de snippets", "hoang hai de snippets", "cong dai de snippets", "cong lai de snippets", "cong hai di 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 hai de 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 hai de snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong hai de snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong hai de snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.