Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tao van bon snippets" » "thao van bon snippets", "tao va bon snippets", "dao van bon snippets", "tao van ban snippets", "tao van dong snippets", "tao van cong 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 bon 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 bon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tao van bon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tao van bon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.