Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc kinh hon snippets" » "hoc sinh hon snippets", "luoc kinh hon snippets", "hoc kinh hoc snippets", "hoc kinh mon snippets", "hoc minh hon 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: (((("hoc kinh hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc kinh hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc kinh hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc kinh hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.