Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chao mon hoc snippets" » "hao mon hoc snippets", "chao mung hoc snippets", "nhap mon hoc snippets", "chao toan hoc snippets", "chao 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: (((("chao mon 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: (((("chao mon hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chao mon hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chao mon hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.