Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
hoc thieu » toc thieu, hoc hien
trung vap » trung cap, trung va, trung van
dung cong » dung trong
cong tuan » cong tan, cong luan, cong thanh
tuan gian » tran gian, tran giang, thanh gian
thi hieu » thi chieu, thi hien, thi dieu
vap dung » van dung, ap dung, va dung
gian cau » gian chau, gian cac, gian cam

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) or (thi hieu)) xanh - hanh trung vap dung cong tuan gian cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (thi hieu)) xanh - hanh trung vap dung cong tuan gian cau.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (thi hieu)) xanh - hanh trung vap dung cong tuan gian cau*.