Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho tinh toi snippets" » "cho sinh toi snippets", "cho minh toi snippets", "tho tinh toi snippets", "cho tinh doi snippets", "cho dinh toi snippets", "cho tinh tri 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 tinh toi 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 tinh toi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho tinh toi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho tinh toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.