Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
chieu tinh » trieu tinh, lieu tinh, chau tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
manh tung » manh hung, thanh tung
dung cong » dung trong
tung cua » trung cua, tuong cua, dung cua
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu tinh - manh tung cua ((nhung cong) or (dung cong)) dan ((doanh tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu tinh - manh tung cua ((nhung cong) OR (dung cong)) dan ((doanh tai) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - manh tung cua ((nhung cong) or (dung cong)) dan ((doanh tai) or (toan cao))*.