Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"den trinh he snippets" » "den trinh code snippets", "den tinh he snippets", "dan trinh he snippets", "tien trinh he snippets", "den trinh han snippets", "den trinh hoa snippets", "den trinh ky snippets"
"python using java snippets" » "python using data snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("den trinh he snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"den trinh he snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( den trinh he snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("den trinh he snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.