Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien anh, thien danh
hieu manh » chieu xanh, hieu nganh, dieu hanh
hanh sinh » hanh tinh, hanh dinh, hinh sinh
cua nhung » va nhung
truong va » truong dai, truong cao, truong dao
thanh cau » thanh chau, thanh mau, nhanh cau
sinh cua » manh cua, dinh cuu, sinh va
thong va » thong cua, thong qua, thong xay

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