Perhaps you should try some spelling variations:
thong dong » thong duong, thuong dong, thong cong
canh trinh » canh tranh, hanh trinh, canh tinh
dong thanh » truong thanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
trinh van » trinh han, trinh quan, trinh toan
van thong » van thuong, van phong, va thong
hoc hieu » hoc thieu, hoc hien, doc hieu
phan cau » phan dau, phan tu, phan lap
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu manh - canh trinh van thong dong thanh ((phan cau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - canh trinh van thong dong thanh ((phan cau) OR (phan cac))*.