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