Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van doan cap snippets" » "van doan code snippets", "van doanh cap snippets", "van toan cap snippets", "van hoan cap snippets", "van doanh cao snippets", "van dan ca snippets", "van toan cao 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 doan cap 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 doan cap snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( van doan cap snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van doan cap snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.