Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
cong bang » cuong bang, dong bang, hong bang
nhanh cau » nhanh cay, thanh chau, nhanh ha
hanh cau » hang cau, hanh cac, hanh cat
tung va » trung va, tuong va, dung va

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 sang - thanh tung va nhung cong bang ((hanh cau) or (nhanh cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - thanh tung va nhung cong bang ((hanh cau) OR (nhanh cau)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - thanh tung va nhung cong bang ((hanh cau) or (nhanh cau))*.