Perhaps you should try some spelling variations:
hanh tran » hanh trang, thanh tran, hanh tram
cong vang » cong lang, cong quang, cong ngang
vang tuan » van tuan, vong tuan, quang tuan
hoc lieu » hoc sieu, hoc tieu, ho lieu
hoc dieu » hoc thieu, hoc hien
tran van » luan van
ban cong » bang cong, van cong, phan cong
tuan cao » toan cao, juan cao, quang cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc lieu) or (hoc dieu)) tinh - hanh tran van ban cong vang tuan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc lieu) OR (hoc dieu)) tinh - hanh tran van ban cong vang tuan cao.
• Adding a wildcard symbol may retrieve word variants: ((hoc lieu) or (hoc dieu)) tinh - hanh tran van ban cong vang tuan cao*.