Perhaps you should try some spelling variations:
thieu quang » hieu quang, thien quan, trien quang
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
trai chau » tran chau, trai chan, lai chau
hanh dan » thanh dan, hanh san, canh dan
cong tac » cong ty
tac trai » tam trai, khac trai, tac giai
dan he » dan ve, dan de, dan ke

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 quang - hanh dan he thong cong tac trai chau~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu quang - hanh dan he thong cong tac trai chau*.