Perhaps you should try some spelling variations:
thanh tung » thanh cong
hanh tang » hanh trang, anh tang, hanh mang
hua khong » hoa khong, hoac khong, phuc khong
cua khong » cua phuong, cua thuong, cua cong
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
sang tac » sang tao, sang tai, sang than
tac toan » tap toan, tam toan, hach toan
toan ban » van ban

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: theo chu xanh - ((hanh tang) OR (thanh tung)) ((hua khong) OR (cua khong)) sang tac toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - ((hanh tang) or (thanh tung)) ((hua khong) OR (cua khong)) sang tac toan ban~".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - ((hanh tang) or (thanh tung)) ((hua khong) OR (cua khong)) sang tac toan ban*.