Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
tran tuan » tran xuan, tran quang, tran thanh
dung cong » dung trong
cong tinh » cong trinh, cong vinh, long tinh
manh cua » doanh cua, ban cua
toan cao » toan ban, toan tap

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 - hanh ((manh cua) or (((trung cua) or (tran tuan)))) dung cong tinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - hanh ((manh cua) OR (((trung cua) OR (tran tuan)))) dung cong tinh toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - hanh ((manh cua) or (((trung cua) or (tran tuan)))) dung cong tinh toan cao*.