Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bui minh doi snippets" » "chi minh doi snippets", "thi minh doi snippets", "vu minh doi snippets", "bui tinh doi snippets", "bui minh di snippets", "bui minh don 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: (((("bui minh doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bui minh doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bui minh doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bui minh doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.