Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoi tac cho snippets" » "hoi trac cho snippets", "phoi tac cho snippets", "hop tac cho snippets", "hoi tac chon snippets", "hoi dac cho snippets", "hoi tap cho 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 tac cho 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 tac cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoi tac cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi tac cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.