Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
cach dung » sach dung, cach mang, tac dung
cua tinh » va tinh, ha tinh, hoa tinh
cua sinh » hoa sinh, va sinh
cong anh » cong danh, dong anh, hong anh
tuan ban » tuan bang, toan ban, luan ban
ap dung » xay dung, van dung

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: do ((cua tinh) or (cua sinh)) - hanh trung ((cach dung) or (ap dung)) cong anh tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: do ((cua tinh) OR (cua sinh)) - hanh trung ((cach dung) OR (ap dung)) cong anh tuan ban.
• Adding a wildcard symbol may retrieve word variants: do ((cua tinh) or (cua sinh)) - hanh trung ((cach dung) or (ap dung)) cong anh tuan ban*.