Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc dieu don snippets" » "hoc thieu don snippets", "hoc hien don snippets", "hoc dieu con snippets", "hoc sieu don snippets", "hoc dieu duong 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: (((("hoc dieu don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc dieu don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc dieu don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc dieu don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.