Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tat tan du snippets" » "tat tai du snippets", "tat thang du snippets", "tat tien du snippets", "tat toan du snippets", "tat tang du snippets", "tat van du 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: (((("tat tan 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: (((("tat tan du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tat tan du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tat tan du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.