Perhaps you should try some spelling variations:
thanh tri » thanh tra, thanh tai, chinh tri
van thanh » ban thanh, van tuan
tu sach » thu sach, su sach, te sach
cao suc » cao su, cao duc
cam duc » cam xuc, cao duc, pham duc
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
mai hoi » mai khoi, dai hoi, lai hoi
ty nang » ky nang, ty xang, ty hang
ma hoi » xa hoi, ma hoa, me hoi
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ty nang ((ma hoi) OR (mai hoi)). hieu ve ((cam duc) OR (cao suc)) van thanh tri cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty nang ((ma hoi) OR (mai hoi)). hieu ve ((cam duc) OR (cao suc)) van thanh tri cua te".
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang ((ma hoi) OR (mai hoi)). hieu ve ((cam duc) OR (cao suc)) van thanh tri cua te*.