Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"son chat cao snippets" » "song chat cao snippets", "don chat cao snippets", "so chat cao snippets", "son chat co snippets", "son chat cho snippets", "son chat bao 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: (((("son chat cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("son chat cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( son chat cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("son chat cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.