Perhaps you should try some spelling variations:
thanh hoa » thanh pho
ban thanh » ban hanh, ban hang
cau tren » cu tren, dau tren, ca tren
duc ban » duc tan, duc van, dua ban
cuu tre » cua tre, cau treo
thu sac » thu sach, thu san, thu dac
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
thu xac » thau xay
va giao » van giao, va giai, va gia

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sac) or (thu xac)) ky nang xa hoi. hieu va giao duc ban thanh hoa ((cuu tre) OR (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sac) OR (thu xac)) ky nang xa hoi. hieu va giao duc ban thanh hoa ((cuu tre) OR (cau tren))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sac) or (thu xac)) ky nang xa hoi. hieu va giao duc ban thanh hoa ((cuu tre) OR (cau tren))*".