Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bang cot hoc snippets" » "bang cong hoc snippets", "tong cot hoc snippets", "bang cac hoc snippets", "bang co hoc snippets", "bang bot hoc snippets", "bang chat hoc 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: (((("bang cot hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bang cot hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bang cot hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bang cot hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.