Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"pha tuc hon snippets" » "pha tuc code snippets", "pha suc hon snippets", "pham duc hon snippets", "pham cuc hon snippets", "pha tu hon snippets", "pha tuc huong snippets", "pha tuc phong 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 tuc hon 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 tuc hon snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( pha tuc hon snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha tuc hon snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.