Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lan bo cua snippets" » "can bo cua snippets", "ban bo cua snippets", "lan o cua snippets", "lan bao cua snippets", "lan co cua snippets", "lan do cua 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: (((("lan bo cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lan bo cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lan bo cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lan bo cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.