Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho nuoc que snippets" » "cho cuoc que snippets", "cho duoc que snippets", "co nuoc que snippets", "cho nuoc qua snippets", "cho ngoc que snippets", "cho nuoc quan 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 nuoc que 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 nuoc que snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho nuoc que snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho nuoc que snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.