Perhaps you should try some spelling variations:
thanh dat » thanh san, thanh hai, thanh van
tan thanh » tran thanh, tang thanh, toan thanh
cham duc » pham duc, cham soc, pham duy
te sach » toc sach
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
dat cua » dai cua, day cua, mat cua
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, xa hoi, me hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ly nang ((ma hoi) or (ma hoa)). hieu vu cham duc tan thanh dat cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ly nang ((ma hoi) OR (ma hoa)). hieu vu cham duc tan thanh dat cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ly nang ((ma hoi) or (ma hoa)). hieu vu cham duc tan thanh dat cua tre*.