Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan tai soi snippets" » "hang tai soi snippets", "van tai soi snippets", "toan tai soi snippets", "nhan tai so snippets", "nhan tai hoi snippets", "nhan tai loi 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 tai soi 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 tai soi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan tai soi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan tai soi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.