Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ich cua hoc snippets" » "sinh cua hoc snippets", "tich cuc hoc snippets", "tinh cua hoc snippets", "ich cua hoi snippets", "ich cua thuoc snippets", "ich cua nuoc 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: (((("ich cua 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: (((("ich cua hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ich cua hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ich cua hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.