Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
trinh toan » tinh toan, thanh toan, trinh han
hoc thieu » toc thieu, hoc hien
trinh van » trinh han, trinh quan, dinh van
dung cong » dung trong
dan phan » doan phan, van phan, dam phan
dan chan » dan gian, dan ca, van chat

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