Perhaps you should try some spelling variations:
thanh mat » thanh dat, thanh mau, thanh mot
tan thanh » tran thanh, tang thanh, toan thanh
cham duc » pham duc, cham soc, pham duy
te sach » toc sach
hieu va » lieu va, hieu qua
mat cua » ma cua, manh cua, mang cua
hieu vu » hieu ve, hieu su, dieu vu
cua te » cua tu
y nang » ky nang, ly nang, v nang
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 y nang ((ma hoi) or (ma hoa)). ((hieu vu) OR (hieu va)) cham duc tan thanh mat cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ((ma hoi) OR (ma hoa)). ((hieu vu) OR (hieu va)) cham duc tan thanh mat cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang ((ma hoi) or (ma hoa)). ((hieu vu) OR (hieu va)) cham duc tan thanh mat cua te".
• Adding a wildcard symbol may retrieve word variants: te sach y nang ((ma hoi) or (ma hoa)). ((hieu vu) OR (hieu va)) cham duc tan thanh mat cua te*.