Perhaps you should try some spelling variations:
hoc thieu » toc thieu
hanh sinh » hanh tinh, hanh dinh, hinh sinh
cua nhung » va nhung
thong ban » thong van, thong bai, thong dan
trong ban » trong san, trong tan, trong quan
thanh cau » thanh chau, thanh mau, nhanh cau
sinh cua » manh cua, dinh cuu, sinh va

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (hoc hien)) xanh - hanh sinh cua nhung ((thong ban) OR (trong ban)) thanh cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (hoc hien)) xanh - hanh sinh cua nhung ((thong ban) OR (trong ban)) thanh cau~".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (hoc hien)) xanh - hanh sinh cua nhung ((thong ban) OR (trong ban)) thanh cau*.