Perhaps you should try some spelling variations:
phan dau » phan tu, hang dau
va hanh » van hanh, va thanh, va danh
te sach » toc sach
nang ma » tang ma, sang ma, nang cao
van dau » van dao
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa
di cua » dai cua, doi cua, de cua
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: te sach y nang ma hoi. hieu ((van dau) OR (phan dau)) luc ((va hanh) or (may tinh)) di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ma hoi. hieu ((van dau) OR (phan dau)) luc ((va hanh) OR (may tinh)) di cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang ma hoi. hieu ((van dau) OR (phan dau)) luc ((va hanh) or (may tinh)) di cua te".
• Adding a wildcard symbol may retrieve word variants: te sach y nang ma hoi. hieu ((van dau) OR (phan dau)) luc ((va hanh) or (may tinh)) di cua te*.