Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vat bach cau snippets" » "vat cach cau snippets", "vat lich cau snippets", "vu bach cau snippets", "vat bac cau snippets", "vat bach mai snippets", "vat sach cap 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: (((("vat bach cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vat bach cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vat bach cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vat bach cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.