Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chi duoc tom snippets" » "che duoc tom snippets", "cho duoc tom snippets", "chet duoc tom snippets", "chi duoc tuoi snippets", "chi duoc hoc snippets", "chi duoc lam 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: (((("chi duoc tom snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chi duoc tom snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chi duoc tom snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi duoc tom snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.