Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tra trinh he snippets" » "tra trinh code snippets", "qua trinh he snippets", "tra trinh han snippets", "tra trinh hoa snippets", "tra 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: (((("tra 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: "((((\"tra trinh he snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( tra trinh he snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tra trinh he snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.