Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"va hau mon snippets" » "va hao mon snippets", "va hat mon snippets", "va nhap mon snippets", "van hau mon snippets", "va chau mon snippets", "vat hau mon snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("va hau mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("va hau mon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( va hau mon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("va hau mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.