Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh cach hoc snippets" » "tinh cach hoc snippets", "bang cach hoc snippets", "minh cach hoc snippets", "anh cach thuc snippets", "anh cach thoi snippets", "anh dich 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: (((("anh cach 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: (((("anh cach hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh cach hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh cach hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.