Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quoc cach ho snippets" » "cuoc cach ho snippets", "quoc cac ho snippets", "quoc sach ho snippets", "quoc cach hoc snippets", "quoc cach thoi 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: (((("quoc cach ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quoc cach ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quoc cach ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quoc cach ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.