Perhaps you should try some spelling variations:
thien danh » thien anh, thien thanh, thien chanh
thien dang » thien bang, thien nang, thien cong
canh trinh » canh tranh, canh tinh, anh trinh
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
cong sang » cong san, cong lang, cong vang
sang than » cang thang, dang thanh, sang tao
ve nhung » va nhung, tu nhung
than cao » toan cao, thai cao, than cap

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 dang)) - ((canh trinh) or (hanh trinh)) ve nhung cong sang than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thien danh) OR (thien dang)) - ((canh trinh) OR (hanh trinh)) ve nhung cong sang than cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((thien danh) OR (thien dang)) - ((canh trinh) or (hanh trinh)) ve nhung cong sang than cao".
• Adding a wildcard symbol may retrieve word variants: toc ((thien danh) OR (thien dang)) - ((canh trinh) or (hanh trinh)) ve nhung cong sang than cao*.