Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tieu hoc cho snippets" » "lieu hoc cho snippets", "tieu hoa cho snippets", "hieu hoc cho snippets", "tieu hoc cao snippets", "tieu hoc pho snippets", "tieu hoc co 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: (((("tieu hoc cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tieu hoc cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tieu hoc cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tieu hoc cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.