Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kha nang hoc snippets" » "phap nang hoc snippets", "ky nang hoc snippets", "ki nang hoc snippets", "kha nang doc snippets", "kha nang luc snippets", "kha dong hoc 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: (((("kha nang hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kha nang hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kha nang hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kha nang hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.