Perhaps you should try some spelling variations:
hanh trong » hanh trang, anh trong, hinh trong
trong tuan » trong quan, trung tuan, trong tan
tuan thong » toan thong, tran thong, tuan phong
tang thanh » dang thanh, trung thanh, hoang thanh
hien manh » tien manh, hieu manh, hien nhanh
hien hanh » dieu hanh
tan than » tan thanh, tan tran, ban than

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