Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
hoc thieu » toc thieu, hoc hien
trong dan » trong dang, trong san, trong ban
trong tan » trong quan, trong cac, trong ca
ho chieu » theo chieu, doi chieu, mot chieu
trung ap » trung cap, trung lap, trung tam
toan cau » toan cao, toan ban, toan tap
ap dung » xay dung, van dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) OR (hoc thieu)) xanh - hanh trung ap dung ((trong dan) or (trong tan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) xanh - hanh trung ap dung ((trong dan) OR (trong tan)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (hoc thieu)) xanh - hanh trung ap dung ((trong dan) or (trong tan)) toan cau".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (hoc thieu)) xanh - hanh trung ap dung ((trong dan) or (trong tan)) toan cau*.