Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trien cho so snippets" » "trien chi so snippets", "trien he so snippets", "trien nha so snippets", "trien cho son snippets", "trien co so snippets", "trien ho 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: (((("trien cho 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: (((("trien cho so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trien cho so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trien cho so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.