Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
cham xuc » cam xuc, chat xuc, cham soc
te sach » toc sach
doi cua » dai cua, hoi cua, dong cua
xuc van » duc van, luc van, xuc ban
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
nang ma » tang ma, nang cao, mang may
sang ma » tang ma, sang tao, mang may
de cua » le cua, te cua, dieu cua

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 ((sang ma) OR (nang ma)) hoi. hieu ve cham xuc van hanh ((doi cua) or (de cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y ((sang ma) OR (nang ma)) hoi. hieu ve cham xuc van hanh ((doi cua) OR (de cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y ((sang ma) OR (nang ma)) hoi. hieu ve cham xuc van hanh ((doi cua) or (de cua)) tre".
• Adding a wildcard symbol may retrieve word variants: te sach y ((sang ma) OR (nang ma)) hoi. hieu ve cham xuc van hanh ((doi cua) or (de cua)) tre*.