Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"vang van cau snippets" » "vang van code snippets", "dang van cau snippets", "tang van cau snippets", "lang van cau snippets", "vang van dau snippets", "vang van hau snippets", "vang van chat 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: (((("vang van cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vang van cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( vang van cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vang van cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.