Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tat van cau snippets" » "hat van cau snippets", "sat van cau snippets", "tat tan cau snippets", "tat van dau snippets", "tat van hau snippets", "tat van chat 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 van cau 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 van cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tat van cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tat van cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.