Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
can tranh » tan tran, van ranh, co tranh
hoc nhung » hoa nhung, hon nhung, nuoc nhung
cong vang » cong lang, cong quang, cong ngang
vang tan » van tan, tang tan, vang tao
tan tap » toan tap, han tap, tan tat

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 tranh) or (can tranh)) hoc nhung cong vang tan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((canh tranh) OR (can tranh)) hoc nhung cong vang tan tap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((canh tranh) or (can tranh)) hoc nhung cong vang tan tap*.