Perhaps you should try some spelling variations:
"pha tu cuong snippets" » "pha tu code snippets", "pha thu cuong snippets", "pha tu tuong snippets", "pha tu cong snippets", "phan tu cuong snippets", "pham tu cuong snippets", "phap tu cuong snippets"
"locating bug core snippets" » "locating bug code 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: (((("pha tu cuong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha tu cuong snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( pha tu cuong snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha tu cuong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.