Perhaps you should try some spelling variations:
truong thanh » truong thpt, truong chung
truong trung » tieng trung
hanh trung » thanh trung, hanh trang, manh trung
hieu xanh » chieu xanh, hieu nganh, dieu hanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
trung cap » truong cao, trung tam
cap dung » ap dung, cao dung, chan dung
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: doc ((hieu xanh) or (hieu manh)) - hanh trung cap dung ((truong thanh) OR (truong trung)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu xanh) OR (hieu manh)) - hanh trung cap dung ((truong thanh) OR (truong trung)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu xanh) or (hieu manh)) - hanh trung cap dung ((truong thanh) OR (truong trung)) toan cau".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu xanh) or (hieu manh)) - hanh trung cap dung ((truong thanh) OR (truong trung)) toan cau*.