Perhaps you should try some spelling variations:
"lophating bug code snippets" » "locating bug code snippets", "lophating bug core snippets"
"python using java snippets" » "python using data snippets"
"phat va du snippets" » "chat va du snippets", "pham va du snippets", "phap va du snippets", "phat va dau snippets", "phat va su snippets", "phat va tu 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: (((("phat va du snippets") or ("python using java snippets"))) or ("lophating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phat va du snippets") OR ("python using java snippets"))) OR ("lophating bug code snippets")).
• Removing quotes may allow a broader search: (((( phat va du snippets ) or ( python using java snippets ))) or ( lophating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phat va du snippets") or ("python using java snippets"))) or ("lophating bug code snippets"))*.