Perhaps you should try some spelling variations:
hieu lang » chieu sang, hieu quang, nhieu tang
vat thong » vat trong, mat thong, vat khong
hung manh » nhung manh, hung anh, tung manh
manh toan » thanh toan, anh tuan, tinh toan
hoi hieu » hoi phieu, hoi tieu, moi hieu
va thong » va thuong, va phuong, he thong
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoi hieu lang - hanh chinh ((vat thong) OR (va thong)) hung manh toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoi hieu lang - hanh chinh ((vat thong) OR (va thong)) hung manh toan cau".
• Adding a wildcard symbol may retrieve word variants: hoi hieu lang - hanh chinh ((vat thong) OR (va thong)) hung manh toan cau*.