Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
dang cong » dung cong
tinh cua » trinh cua, sinh cua, tinh chat
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap
sinh va » sinh vat, tinh va, dinh van

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((may tinh) or (chieu sang)) - hanh ((tinh cua) or (sinh va)) dang cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((may tinh) OR (chieu sang)) - hanh ((tinh cua) OR (sinh va)) dang cong tan toan cao.
• Adding a wildcard symbol may retrieve word variants: ho ((may tinh) or (chieu sang)) - hanh ((tinh cua) or (sinh va)) dang cong tan toan cao*.