Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho tac dong snippets" » "cho tac dung snippets", "cho tac trong snippets", "cho ha dong snippets", "cho cac dong snippets", "che tac dong snippets", "cho bac dong 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: (((("cho tac dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho tac dong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho tac dong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho tac dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.