Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kinh bac can snippets" » "tinh bac can snippets", "minh bac can snippets", "kinh hoc can snippets", "kinh ban can snippets", "kinh bat can snippets", "kinh tac can 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: (((("kinh bac can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kinh bac can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kinh bac can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kinh bac can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.