Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu danh » thien danh, tieu danh, chieu xanh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
tong cong » trong cong, cong cong, dung cong
toan cao » toan ban
toan tap » toan ban

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 danh - thanh trung cua ((nhung cong) or (tong cong)) dan ((toan cao) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu danh - thanh trung cua ((nhung cong) OR (tong cong)) dan ((toan cao) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu danh - thanh trung cua ((nhung cong) or (tong cong)) dan ((toan cao) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu danh - thanh trung cua ((nhung cong) or (tong cong)) dan ((toan cao) OR (toan tap))*.