Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
canh trinh » canh tranh, hanh trinh, canh tinh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
doan phan » doanh phan, toan phan, doanh nhan
trinh va » trinh van, trinh vat, trinh ve
dan phan » dan chan, van phan, dan than
dam phan » d phan, va phan, van phan

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 xanh - canh trinh va nhung cong ((((dan phan) OR (dam phan))) or (doan phan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh trinh va nhung cong ((((dan phan) OR (dam phan))) OR (doan phan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - canh trinh va nhung cong ((((dan phan) OR (dam phan))) or (doan phan)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh trinh va nhung cong ((((dan phan) OR (dam phan))) or (doan phan)) cau*.