Perhaps you should try some spelling variations:
thanh trung » thanh tung
thong dong » thong duong, thuong dong, thong cong
hoc thieu » toc thieu, hoc hien
doi chieu » doc hieu, doi chi, ho chieu
trung cap » truong cao, trung tam
cap thong » cap tong, chap thuong, phap thong
chinh ca » chinh va, chinh tai, chinh cho
chinh ta » chinh tai, chinh va, chinh tri
dong va » dung va, dong ha, luong va

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 (doi chieu)) xanh - thanh trung cap thong dong va ((chinh ca) OR (chinh ta))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (doi chieu)) xanh - thanh trung cap thong dong va ((chinh ca) OR (chinh ta)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (doi chieu)) xanh - thanh trung cap thong dong va ((chinh ca) OR (chinh ta))".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (doi chieu)) xanh - thanh trung cap thong dong va ((chinh ca) OR (chinh ta))*.