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