Perhaps you should try some spelling variations:
trinh quan » tinh quang, trinh luat, trinh han
thong cong » trong cong, tong cong, thong thong
hieu xanh » chieu xanh, hieu manh, hieu nganh
trinh cua » tinh cua, trinh luat, trinh luan
doc hieu » toc thieu, hoc thieu, hoc hien
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu xanh - hanh ((trinh cua) OR (trinh quan)) thong cong tan toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu xanh - hanh ((trinh cua) OR (trinh quan)) thong cong tan toan ban".
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - hanh ((trinh cua) OR (trinh quan)) thong cong tan toan ban*.