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