Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh tang ca snippets" » "minh trang ca snippets", "minh thang ca snippets", "minh hang ca snippets", "minh tang cua snippets", "minh tang ma 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: (((("minh tang ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("minh tang ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh tang ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh tang ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.