Perhaps you should try some spelling variations:
thanh thang » nhanh thang, thanh thanh, thanh hang
duong cong » dung cong, luong cong, duong trong
thieu tinh » trieu tinh, chieu tinh, thien tinh
cong thanh » dong thanh, cong trinh, cong tan
hoc thieu » toc thieu, hoc hien
thang cau » hang cau, thong cau, thanh chau
tranh va » tranh van, trinh va, thanh va
trang va » hang va
tran van » luan van

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 tinh - canh ((tranh va) or (((trang va) OR (tran van)))) duong cong thanh thang cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - canh ((tranh va) OR (((trang va) OR (tran van)))) duong cong thanh thang cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tinh - canh ((tranh va) or (((trang va) OR (tran van)))) duong cong thanh thang cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - canh ((tranh va) or (((trang va) OR (tran van)))) duong cong thanh thang cau*.