Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
hoc thieu » toc thieu, hoc hien
cuong tap » luong tap, cong tac, luong tai
va thong » va thuong, va phuong, he thong
cong tap » cong tac, cong tan, tong tap
toan cao » toan ban, toan tap
tinh va » tich va, trinh van, trinh vat

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 - nhanh tinh va thong ((cong tap) OR (cuong tap)) toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sang - nhanh tinh va thong ((cong tap) OR (cuong tap)) toan cao*".