Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
hoc thieu » toc thieu, hoc hien
bang cong » dang cong, bang song, hang cong
ban thanh » ban hanh, ban hang
trinh do » trinh ky
van tuan » van quan, van ban, anh tuan
do bang » do ban, do dang, do tang

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 - hanh trinh do bang cong ((van tuan) or (ban thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trinh do bang cong ((van tuan) OR (ban thanh)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trinh do bang cong ((van tuan) or (ban thanh)) cau*.