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