Perhaps you should try some spelling variations:
thanh tri » thanh tra, thanh tai, chinh tri
cham duc » pham duc, cham soc, pham duy
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va cham » va chat, va tham
han tri » han tai, chan troi, quan tri
van tri » van tai, van thi, van toi
thiet » thieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty nang xa hoi. hieu va cham duc va ((((han tri) or (thanh tri))) or (van tri)) va thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang xa hoi. hieu va cham duc va ((((han tri) OR (thanh tri))) OR (van tri)) va thiet.
• Adding a wildcard symbol may retrieve word variants: su sach ty nang xa hoi. hieu va cham duc va ((((han tri) or (thanh tri))) or (van tri)) va thiet*.