Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tat san cho snippets" » "tai san cho snippets", "tan san cho snippets", "tat tan cho snippets", "tat sang cho snippets", "tat san chi snippets", "tat san co 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 san cho 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 san cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tat san cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tat san cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.