Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
duong manh » duong van
hoc chieu » hoc thieu, ho chieu, hoc hien
trung can » trung cap, trung van, trong can
can trong » cay trong, ban trong, ca trong
cong danh » cuong danh, cong dan, cong thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - thanh trung can trong ((cong danh) or (duong manh)) ((toan ban) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - thanh trung can trong ((cong danh) OR (duong manh)) ((toan ban) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - thanh trung can trong ((cong danh) or (duong manh)) ((toan ban) or (van ban))*.