Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha tiep doi snippets" » "phap tiep doi snippets", "phan tien doi snippets", "pham hiep doi snippets", "pha tiep do snippets", "pha tiep noi snippets", "pha tiep thi 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: (((("pha tiep doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha tiep doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha tiep doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha tiep doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.