Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phat ve cach snippets" » "nhat ve cach snippets", "phat vi cach snippets", "pha ve cach snippets", "phat va cach snippets", "phat ve cac snippets", "phat ve canh 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: (((("phat ve cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phat ve cach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phat ve cach snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phat ve cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.