Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"paul danh vu snippets" » "pablo danh vu snippets", "cau danh vu snippets", "paul van vu snippets", "paul danh tu snippets", "paul anh vu snippets", "paul danh du snippets", "paul danh vu slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("paul danh vu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("paul danh vu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( paul danh vu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("paul danh vu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.