Perhaps you should try some spelling variations:
thieu nang » thien nang, thieu khang, thieu quang
cong thang » cong thanh, cang thang, cong thong
thang phan » thanh phan, thong phan, than phan
canh manh » lanh manh, canh tranh, cach mang
qua trong » quan trong, qua trinh, qua song
cua trung » cua truong, xuan trung, cua nhung
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: toc thieu nang - canh manh ((qua trong) or (cua trung)) cong thang phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu nang - canh manh ((qua trong) OR (cua trung)) cong thang phan dau*.