Perhaps you should try some spelling variations:
thanh dat » thanh san, thanh hai, thanh van
den thanh » de thanh, dinh thanh, dong thanh
cham cuu » cap cuu, chat cua
so sach » so sanh, bo sach, co 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 vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
cuu den » cuu de, cau den, buu dien
cua tre » cuu tre, cua triet, dua tren
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: so sach ty nang xa hoi. hieu vu cham cuu den thanh dat ((cua tre) OR (cua te))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ty nang xa hoi. hieu vu cham cuu den thanh dat ((cua tre) OR (cua te))".
• Adding a wildcard symbol may retrieve word variants: so sach ty nang xa hoi. hieu vu cham cuu den thanh dat ((cua tre) OR (cua te))*.