Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"diep tinh do snippets" » "diep trinh do snippets", "diep tinh doi snippets", "diep tinh da snippets", "dien tinh do snippets", "dieu tinh do snippets", "diem tinh do 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: (((("diep tinh do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("diep tinh do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( diep tinh do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("diep tinh do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.