Perhaps you should try some spelling variations:
thanh toan » thanh hoa, thanh san, tinh toan
nhung vung » nhung dung, nhung huong, nhung tuong
hieu lang » chieu sang, hieu quang, nhieu tang
hanh tang » hanh trang, anh tang, hanh mang
lanh toan » manh toan, anh toan, nganh toan
chu van » cuu van, chu han
tang va » trang va, tang van, thang va

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu van) or (hieu lang)) - hanh tang va nhung vung ((lanh toan) OR (thanh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu van) OR (hieu lang)) - hanh tang va nhung vung ((lanh toan) OR (thanh toan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu van) or (hieu lang)) - hanh tang va nhung vung ((lanh toan) OR (thanh toan)) cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chu van) or (hieu lang)) - hanh tang va nhung vung ((lanh toan) OR (thanh toan)) cau*.