Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhieu tang » chieu sang, hieu lang, nhiet nang
thong cong » trong cong, tong cong, thong thong
hoc nhieu » hoc thieu, hoc nhiet, hop nhieu
trung vap » trung cap, trung va, trung van
vap thong » va thong, van thong, phap thong
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc nhieu tang - thanh trung vap thong cong san ((toan ban) OR (van ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc nhieu tang - thanh trung vap thong cong san ((toan ban) OR (van ban))".
• Adding a wildcard symbol may retrieve word variants: hoc nhieu tang - thanh trung vap thong cong san ((toan ban) OR (van ban))*.