Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cham doi cua snippets" » "cham hoi cua snippets", "cham voi cua snippets", "pham doi cua snippets", "cham dai cua snippets", "cham dong 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: (((("cham doi 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: (((("cham doi cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cham doi cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cham doi cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.