Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"den trinh c snippets" » "den trinh code snippets", "den tinh c snippets", "dan trinh c snippets", "tien trinh c snippets", "den trinh co snippets", "den trinh _ snippets", "den trinh cau 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 c 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 c snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( den trinh c snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("den trinh c snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.