Perhaps you should try some spelling variations:
tuong cong » truong cong, trong cong, tong cong
lieu tinh » trieu tinh, diep tinh, bien tinh
hang hang » nang hang, cang thang, hung thang
cot lieu » co lieu, vat lieu, so lieu
va tuong » va thuong, va thong, xa truong
cong san » cong tac
toan cau » toan cao, toan ban, toan tai
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: cot lieu tinh - hang hang va tuong cong san ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cot lieu tinh - hang hang va tuong cong san ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: cot lieu tinh - hang hang va tuong cong san ((toan cau) or (toan tap))*.