Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan vat mo snippets" » "nhan va mo snippets", "nhan tai mo snippets", "nhan dan mo snippets", "nhan vat moi snippets", "nhan vat co 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: (((("nhan vat mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan vat mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan vat mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan vat mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.