Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vang tao hoi snippets" » "sang tao hoi snippets", "nang tao hoi snippets", "hang tai hoi snippets", "vang tao khoi snippets", "vang tao boi snippets", "vang tay hoi 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: (((("vang tao hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vang tao hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vang tao hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vang tao hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.