Perhaps you should try some spelling variations:
thanh dat » thanh san, thanh hai, thanh van
cham duc » pham duc, pham duy, phan duc
va thanh » gia thanh, ban thanh, va tinh
tu sach » thu sach, su sach, te sach
hieu va » lieu va, hieu qua
dat cua » dai cua, day cua, mat cua
y nang » ky nang, ly nang, v nang
cua tu » cua tuc, cua su, cua cu
x hoi » xa hoi, o hoi, x ho

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 y nang x hoi. hieu va ((cham duc) OR (cham soc)) va thanh dat cua tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y nang x hoi. hieu va ((cham duc) OR (cham soc)) va thanh dat cua tu".
• Adding a wildcard symbol may retrieve word variants: tu sach y nang x hoi. hieu va ((cham duc) OR (cham soc)) va thanh dat cua tu*.