Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
trung tuan » trung thanh, trung tam, truong thanh
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
tran tuan » tran xuan, tran quang, tran thanh
dan than » dan chan, ban than, van than
tap doan » tap quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - thanh ((trung tuan) or (tran tuan)) thong cong ((dan than) or (tap doan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh ((trung tuan) OR (tran tuan)) thong cong ((dan than) OR (tap doan)) tap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh ((trung tuan) or (tran tuan)) thong cong ((dan than) or (tap doan)) tap*.