Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bac cho cu snippets" » "bac ho cu snippets", "dac cho cu snippets", "bac cao cu snippets", "bac cho chu snippets", "bac cho ca snippets", "bac cho tu 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: (((("bac cho cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bac cho cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bac cho cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bac cho cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.