Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
thien danh » thien dang, thien thanh, thien chanh
thien anh » tien anh, thien thanh, thien chanh
ve nhung » tu nhung
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than tap » toan tap, han tap, phan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((thien danh) or (thien anh)) - hanh trinh ((ve nhung) or (va nhung)) cong tac than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thien danh) OR (thien anh)) - hanh trinh ((ve nhung) OR (va nhung)) cong tac than tap.
• Adding a wildcard symbol may retrieve word variants: toc ((thien danh) or (thien anh)) - hanh trinh ((ve nhung) or (va nhung)) cong tac than tap*.