Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khi moi cuc snippets" » "thi moi cuc snippets", "khi doi cuc snippets", "khi hoi cuc snippets", "khi moi cua snippets", "khi hoi chuc snippets", "khi doi cuoc 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: (((("khi moi cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khi moi cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khi moi cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khi moi cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.