Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"than luoc ve snippets" » "than luc ve snippets", "nhan luc ve snippets", "than doc ve snippets", "than nuoc ve snippets", "than luoc va snippets", "than luoc vu 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: (((("than luoc ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("than luoc ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( than luoc ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("than luoc ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.