Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu
can tranh » tan tran, van ranh, co tranh
hoc nhung » hoa nhung, hon nhung, nuoc nhung
cong van » cong vang, cong san, song van
van tan » van tuan, van ban, van tai
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) or (hoc hien)) xanh - ((canh tranh) or (can tranh)) hoc nhung cong van tan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (hoc hien)) xanh - ((canh tranh) OR (can tranh)) hoc nhung cong van tan tap.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (hoc hien)) xanh - ((canh tranh) or (can tranh)) hoc nhung cong van tan tap*.