Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan tho que snippets" » "dan thi que snippets", "can tho que snippets", "dai tho que snippets", "dan thon que snippets", "dan cho que snippets", "dan thoi quen 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: (((("dan tho que snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan tho que snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan tho que snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan tho que snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.