Perhaps you should try some spelling variations:
nhieu tang » chieu sang, nhiet nang
hieu lang » chieu sang, hieu quang, hieu van
manh hung » anh huong
trinh san » trinh han, trinh quan, trinh toan
hung cua » huong cua, chung cua, khung cua
toan tap » toan ban
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((hieu lang) or (nhieu tang)) - manh hung cua cong trinh san ((toan tap) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu lang) OR (nhieu tang)) - manh hung cua cong trinh san ((toan tap) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: theo ((hieu lang) or (nhieu tang)) - manh hung cua cong trinh san ((toan tap) or (phan cac))*.