Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
quang tuan » quang thanh, quan luan, quang cua
phung cong » nhung cong, phong cong, nhung chong
hoc thieu » toc thieu, hoc hien
tung tuan » trung tuan, hung tuan, trang tuan
van thanh » ban thanh, van tuan
ban than » ban thanh, ban hang, ban hanh

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh ((tung tuan) OR (quang tuan)) phung cong ((ban than) OR (van thanh)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh ((tung tuan) OR (quang tuan)) phung cong ((ban than) or (van thanh)) cau~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh ((tung tuan) OR (quang tuan)) phung cong ((ban than) or (van thanh)) cau*.