Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toan ham son snippets" » "toan nham son snippets", "toan dam son snippets", "toan bam son snippets", "toan ha son snippets", "toan lam son snippets", "toan ham 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: (((("toan ham son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toan ham son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toan ham son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan ham son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.