Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh chau » thanh cha, thanh cham, thanh chu
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
tinh cua » trinh cua, sinh cua, tranh cua
cong son » cong san, cong so, dong son
thanh ca » thanh cha, thanh cac, thanh ha

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 ((tinh cua) or (tinh chat)) dung cong son ((thanh ca) or (thanh chau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh ((tinh cua) OR (tinh chat)) dung cong son ((thanh ca) OR (thanh chau)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh ((tinh cua) or (tinh chat)) dung cong son ((thanh ca) or (thanh chau))*.