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
trinh va » trinh van, trinh vat, trinh ve
san phan » van phan, sat phan, dan 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 ((san phan) OR (san pham)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - canh trinh va nhung cong ((san phan) OR (san pham)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh trinh va nhung cong ((san phan) OR (san pham)) cau*.