Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, manh truong
nhung tuong » nhung huong, nhung phuong, hung vuong
hien xanh » hien nhanh, chieu xanh, hien khanh
hien hanh » dieu hanh
truong so » truong son, truong bo, tuong so
tuong dan » huong dan, tung dan, xuong dan
so nhung » bo nhung, so chung, song nhung
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh cac

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 xanh) OR (hien hanh)) - hanh truong so nhung tuong dan ((than cau) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien hanh)) - hanh truong so nhung tuong dan ((than cau) OR (than cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) OR (hien hanh)) - hanh truong so nhung tuong dan ((than cau) or (than cap))".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) OR (hien hanh)) - hanh truong so nhung tuong dan ((than cau) or (than cap))*.