Perhaps you should try some spelling variations:
nhung vung » nhung dung, nhung huong, nhung tuong
hieu lang » chieu sang, hieu quang, nhieu tang
hanh tang » hanh trang, hanh mang, hanh tung
vung lanh » vung nhanh, tuong lanh, dung danh
lanh toan » manh toan, anh toan, thanh toan
anh tang » anh bang, anh dang, anh nang
toan ban » van ban
chu van » cuu van, chu han

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