Perhaps you should try some spelling variations:
trong thanh » truong thanh, trung thanh, rong thanh
truong tai » truong dai, truong thi, truong cao
thanh xuan » thanh san, thanh toan, thanh phan
hien tinh » khien tinh, thien tinh, bien tinh
trung tai » trung tam, trung dai, trong tai
xuan cau » quan cau, xuan can, xuan cang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien tinh - hanh ((trung tai) OR (truong tai)) dung trong thanh xuan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien tinh - hanh ((trung tai) OR (truong tai)) dung trong thanh xuan cau".
• Adding a wildcard symbol may retrieve word variants: hoc hien tinh - hanh ((trung tai) OR (truong tai)) dung trong thanh xuan cau*.