Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doc minh can snippets" » "doc minh code snippets", "duc minh can snippets", "do minh can snippets", "doc tinh can snippets", "doc minh chanh snippets", "doc minh danh snippets", "doc minh tuan snippets"
"python using java snippets" » "python using data 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: (((("doc minh can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doc minh can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doc minh can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc minh can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.