Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cha voi cong snippets" » "cha noi cong snippets", "cha moi cong snippets", "cha tai cong snippets", "cham voi cong snippets", "chua voi cong snippets", "chi voi cong 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: (((("python using java snippets") or ("cha voi cong snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cha voi cong snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cha voi cong snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cha voi cong snippets"))) or ("locating bug code snippets"))*.