Perhaps you should try some spelling variations:
thanh toan » thanh hoa, thanh san, tinh toan
luong gia » luong giao, luong va, luong tin
luoc gia » quoc gia, luc gia, nuoc giai
te sach » toc sach
cuu tre » cua tre, cau tren, cau treo
hieu va » lieu va, hieu qua
lang xa » lang ha, dang xay, lang van
y lang » o lang, _ lang, tay lang
va cao » va cac, va co, va dao

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y lang xa hoi. hieu va cao ((luoc gia) OR (luong gia)) ((hanh vi) or (thanh toan)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y lang xa hoi. hieu va cao ((luoc gia) OR (luong gia)) ((hanh vi) OR (thanh toan)) cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y lang xa hoi. hieu va cao ((luoc gia) OR (luong gia)) ((hanh vi) or (thanh toan)) cuu tre".
• Adding a wildcard symbol may retrieve word variants: te sach y lang xa hoi. hieu va cao ((luoc gia) OR (luong gia)) ((hanh vi) or (thanh toan)) cuu tre*.