Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
hoc thieu » toc thieu, hoc hien
trung kha » trung khoa, trung ha, truong khoa
nang cong » nang song, dang cong, bang cong
kha nang » phap nang, ky nang, ki nang
cong dan » cong san, cong tan, huong dan

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

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