Perhaps you should try some spelling variations:
thanh tri » thanh tra, thanh tai, chinh tri
thu sach » tu sach, thuat sach, thuoc sach
va thanh » gia thanh, ban thanh, va tinh
va chat » van chat, va phat, cao chat
sach ky » sac ky, sach y, sach ty
va cham » va tham
tang ma » mang may, tang van
ky tang » ky nang, ky dang, kho tang
soc va » hoc va, loc va, doc va
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ky tang ma hoi. hieu ((va cham) OR (va chat)) soc va thanh tri va (thiet or thieu)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky tang ma hoi. hieu ((va cham) OR (va chat)) soc va thanh tri va (thiet OR thieu).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ky tang ma hoi. hieu ((va cham) OR (va chat)) soc va thanh tri va (thiet or thieu)".
• Adding a wildcard symbol may retrieve word variants: thu sach ky tang ma hoi. hieu ((va cham) OR (va chat)) soc va thanh tri va (thiet or thieu)*.