Perhaps you should try some spelling variations:
thong trong » thuong trong, thong thong, thong thuong
hanh trung » thanh trung, hanh trang, manh trung
hien xanh » hien nhanh, chieu xanh, hien khanh
hien hanh » dieu hanh
trung cap » truong cao, trung tam
cap thong » cap tong, chap thuong, phap thong
trong van » trong cac
van toan » van tuan, van tan, van thanh
toan cau » toan cao, toan ban, toan tap

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 trung cap thong trong van toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien hanh)) - hanh trung cap thong trong van toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (hien hanh)) - hanh trung cap thong trong van toan cau*.