Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
cong thanh » dong thanh, cong trinh, cong tan
hoc thieu » toc thieu, hoc hien
hanh hanh » hanh han, xanh hanh, nhanh thanh
va truong » van truong, xa truong, va thuong
cong manh » cong danh, duong manh, hoang manh
toan tap » toan ban
hanh va » hang va, hanh vi

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 - hanh hanh va truong ((cong manh) OR (cong thanh)) toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh hanh va truong ((cong manh) OR (cong thanh)) toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh hanh va truong ((cong manh) OR (cong thanh)) toan tap*.