Perhaps you should try some spelling variations:
thieu lang » hieu lang, thieu khang, thieu quang
hanh tranh » canh tranh, hanh trinh, hanh trang
thong cong » trong cong, tong cong, phong chong
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
dan phan » doan phan, dan chan, van phan
phan cac » nhan cach, phan dau, phan lap

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: hoc thieu lang - hanh tranh cua ((thong cong) OR (thong thong)) dan phan cac~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu lang - hanh tranh cua ((thong cong) or (thong thong)) dan phan cac*.