Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi ton du snippets" » "thi mon du snippets", "thi son du snippets", "thi tan du snippets", "thi toan du snippets", "thi ton duc 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: (((("thi ton du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi ton du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi ton du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi ton du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.