Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phi thi chau snippets" » "phi thi code snippets", "phi thi cham snippets", "phi thi hau snippets", "phi thi chap snippets", "phi tai chau snippets", "chi thi chau snippets", "phi phi chau 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: (((("phi thi chau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi thi chau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phi thi chau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi thi chau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.