Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung don
than sinh » than kinh, nhan sinh, thai sinh
hang cong » dang cong, hang nong, bang cong
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
sinh cua » manh cua, dinh cuu, sinh va
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: theo chu xanh - than sinh cua ((nhung cong) or (hang cong)) tinh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - than sinh cua ((nhung cong) OR (hang cong)) tinh toan tap.
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - than sinh cua ((nhung cong) or (hang cong)) tinh toan tap*.