Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho giao doi snippets" » "co giao doi snippets", "cho dao doi snippets", "hoc giao doi snippets", "cho gia doi snippets", "cho giao duc snippets", "cho giao li 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 giao doi 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 giao doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho giao doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho giao doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.