Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh cach c1 snippets" » "tinh cach c1 snippets", "minh cac c1 snippets", "minh chanh c1 snippets", "minh cach con snippets", "minh cach cua 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 cach c1 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 cach c1 snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh cach c1 snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh cach c1 snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.