Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thoi tac du snippets" » "thi tac du snippets", "phoi tac du snippets", "tho tac du snippets", "thoi tac dau snippets", "thoi cac du snippets", "thoi tac da 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: (((("thoi tac du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thoi tac du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thoi tac du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thoi tac du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.