Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
canh tinh » hanh tinh, manh tinh, canh tranh
trong tac » trong cac, tuong tac, trong tan
phan cac » nhan cach, phan lap, phan van
phan dau » phan tu, hang dau
tinh va » tich va, trinh van, trinh vat
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 - canh tinh va dung trong tac ((phan cac) OR (phan dau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - canh tinh va dung trong tac ((phan cac) OR (phan dau))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh tinh va dung trong tac ((phan cac) OR (phan dau))*.