Perhaps you should try some spelling variations:
thien danh » thien anh, thien dang, thien thanh
canh trinh » canh tranh, canh tinh, anh trinh
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
thieu anh » thien anh, chieu xanh, thieu nhi
cong lang » cong vang, cong luong, cong quang
lang than » lang thang, lang thanh, sang than
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 ((thieu anh) or (thien danh)) - ((canh trinh) OR (hanh trinh)) va nhung cong lang than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu anh) OR (thien danh)) - ((canh trinh) OR (hanh trinh)) va nhung cong lang than cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((thieu anh) or (thien danh)) - ((canh trinh) OR (hanh trinh)) va nhung cong lang than cao".
• Adding a wildcard symbol may retrieve word variants: toc ((thieu anh) or (thien danh)) - ((canh trinh) OR (hanh trinh)) va nhung cong lang than cao*.