Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
thong cong » trong cong, tong cong, thong thong
trinh chat » tinh chat, trinh luat, trinh han
hoc thieu » toc thieu, hoc hien
tuong cua » truong cua, huong cua, thong cua
cua thong » cua thuong, cua khong, cua tong
tran chau » tranh chap, tran huu
doc hieu » toc thieu, hoc hien
cong tan » cong tac, cong san, cong thanh

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) OR (hoc thieu)) xanh - thanh tuong cua thong cong tan ((tran chau) or (trinh chat))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (hoc thieu)) xanh - thanh tuong cua thong cong tan ((tran chau) OR (trinh chat)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc hieu) OR (hoc thieu)) xanh - thanh tuong cua thong cong tan ((tran chau) or (trinh chat))".
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) OR (hoc thieu)) xanh - thanh tuong cua thong cong tan ((tran chau) or (trinh chat))*.