Perhaps you should try some spelling variations:
thieu nang » thien nang, thieu khang, thieu quang
cong thanh » dong thanh, cong trinh, cong tan
thanh phan » thanh pho, thanh san, thanh toan
hoc thieu » toc thieu, hoc hien
canh manh » lanh manh, canh tranh, cach mang
cua trong » cua truong, cua trung, qua trong
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu nang - canh manh ((cua trong) or (cac truong)) cong thanh phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu nang - canh manh ((cua trong) OR (cac truong)) cong thanh phan dau*.