Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan ban cuc snippets" » "nhuan ban cuc snippets", "nhat ban cuc snippets", "nhan dan cuc snippets", "nhan ban cua snippets", "nhan van cuc snippets", "nhan ban cung 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 ban cuc 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 ban cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan ban cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan ban cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.