Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
hanh thang » nhanh thang, thanh thang, hanh trang
dong luong » cong luong, dong duong, dong huong
hoc thien » hoc hien, hoc thieu, hoc thiet
thang va » hang va, trang va, thong va
va dong » van dong, ha dong, xa dong
van tan » van tuan, van ban, van tai
va tan » va toan, va than, va tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien thanh - hanh thang va dong luong ((va tan) or (van tan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien thanh - hanh thang va dong luong ((va tan) OR (van tan)) tap.
• Adding a wildcard symbol may retrieve word variants: hoc thien thanh - hanh thang va dong luong ((va tan) or (van tan)) tap*.