Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung don
hanh tranh » hanh trinh, hanh trang, lanh tranh
hoc thien » hoc hien, hoc thieu, hoc thiet
thien anh » thien danh, tien anh, thien thanh
hang cong » dang cong, hang nong, bang cong
tam than » ban than
than lap » thanh lap, phan lap, toan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien anh - ((hanh tranh) or (canh tranh)) cua ((nhung cong) OR (hang cong)) tam than lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien anh - ((hanh tranh) OR (canh tranh)) cua ((nhung cong) OR (hang cong)) tam than lap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thien anh - ((hanh tranh) or (canh tranh)) cua ((nhung cong) OR (hang cong)) tam than lap".
• Adding a wildcard symbol may retrieve word variants: hoc thien anh - ((hanh tranh) or (canh tranh)) cua ((nhung cong) OR (hang cong)) tam than lap*.