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