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