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