Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van chu doc snippets" » "van chu code snippets", "van chi doc snippets", "van phu doc snippets", "van cau doc snippets", "van chau doc snippets", "van chu duc snippets", "van chua duoc 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: (((("van chu doc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van chu doc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( van chu doc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van chu doc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.