Perhaps you should try some spelling variations:
thieu tinh » chieu tinh, thien tinh, lieu tinh
hanh trung » thanh trung, hanh trang, manh trung
thong cong » trong cong, tong cong, thong thong
tam thong » tam thuong, tao thong, nam thong
canh chau » chinh chau, doanh chau, thanh chau
cong ban » cong bang, cong san, cong tan
canh cha » canh cua, thanh cha, cang chai

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 tinh) or (trieu tinh)) - hanh trung tam thong cong ban ((canh chau) OR (canh cha))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu tinh) OR (trieu tinh)) - hanh trung tam thong cong ban ((canh chau) OR (canh cha)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu tinh) or (trieu tinh)) - hanh trung tam thong cong ban ((canh chau) OR (canh cha))".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu tinh) or (trieu tinh)) - hanh trung tam thong cong ban ((canh chau) OR (canh cha))*.