Perhaps you should try some spelling variations:
theo thong » theo phong, theo phuong, theo chuong
tran thanh » ban thanh, van thanh, quan thanh
chat tinh » chau tinh, cha tinh, chai tinh
cham tinh » chau tinh, cham binh, ha tinh
che thong » he thong, nghe thong, chet trong
cong tran » cong tan, cong tuan, cong toan
thanh tap » thanh lap, thanh tai, thanh tay
hanh han » hanh nhan, hanh phan, hanh san

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chat tinh) or (cham tinh)) - hanh han ((che thong) OR (theo thong)) cong tran thanh tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chat tinh) OR (cham tinh)) - hanh han ((che thong) OR (theo thong)) cong tran thanh tap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chat tinh) or (cham tinh)) - hanh han ((che thong) OR (theo thong)) cong tran thanh tap*".