Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoi luu hoc snippets" » "hoc luu hoc snippets", "loi luu hoc snippets", "hoi luan hoc snippets", "hoi luc hoc snippets", "hoi cuu hoc snippets", "hoi lieu 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: (((("hoi luu 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: (((("hoi luu hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoi luu hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi luu hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.