Perhaps you should try some spelling variations:
thieu hanh » thien thanh, thien chanh, thieu khang
hanh thang » nhanh thang, thanh thang, hanh trang
dong luong » cong luong, dong duong, dong huong
hoc thieu » toc thieu, hoc hien
thang va » hang va, trang va, thong va
va dong » van dong, ha dong, xa dong
va toan » van toan, bai toan, tap toan
van tan » van tuan, van ban, van tai

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 hanh - hanh thang va dong luong ((va toan) or (van tan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu hanh - hanh thang va dong luong ((va toan) OR (van tan)) tap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu hanh - hanh thang va dong luong ((va toan) or (van tan)) tap*.