Perhaps you should try some spelling variations:
khong trong » khoang trong, thong trong, phong trong
thieu xanh » chieu xanh, hieu manh, thien anh
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
cua khong » hua khong, cua phuong, cua thuong
van thanh » ban thanh, van tuan
manh toan » thanh toan, anh tuan, tinh toan

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 xanh - hanh tranh cua khong trong ((van thanh) or (manh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh tranh cua khong trong ((van thanh) OR (manh toan)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh tranh cua khong trong ((van thanh) or (manh toan)) cau*.