Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc luan ho snippets" » "hoc quan ho snippets", "nuoc luan ho snippets", "hoc luong ho snippets", "hoc luan hoc snippets", "hoc luan pho snippets", "hoc xuan ho 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 luan ho 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 luan ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc luan ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc luan ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.