Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
trong dang » truong dang, trong dong, trong dung
hoc thieu » toc thieu, hoc hien
cach manh » cach mang, cach nhanh, sach danh
trong dan » trong san, trong tan, trong ban
toan cau » toan cao, toan ban, toan tap
manh va » hanh va, anh va, minh va
va dung » van dung, va duong, vat dung

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 xanh - cach manh va dung ((trong dan) OR (trong dang)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - cach manh va dung ((trong dan) OR (trong dang)) toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - cach manh va dung ((trong dan) OR (trong dang)) toan cau*.