Perhaps you should try some spelling variations:
"locatinhg bug code snippets" » "locating bug code snippets", "locatinhg bug core snippets"
"python using java snippets" » "python using data snippets"
"van hang ca snippets" » "van khang ca snippets", "van hoang ca snippets", "van thang ca snippets", "van hang va snippets", "van nang cao snippets", "van hang tai 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 hang ca snippets") or ("python using java snippets"))) or ("locatinhg bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van hang ca snippets") OR ("python using java snippets"))) OR ("locatinhg bug code snippets")).
• Removing quotes may allow a broader search: (((( van hang ca snippets ) or ( python using java snippets ))) or ( locatinhg bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van hang ca snippets") or ("python using java snippets"))) or ("locatinhg bug code snippets"))*.