Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vit phong mo snippets" » "viet phuong mo snippets", "van phong mo snippets", "va phong mo snippets", "vit phong so snippets", "vit thong mo snippets", "vit phong cho 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: (((("vit phong mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vit phong mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vit phong mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vit phong mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.