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