Perhaps you should try some spelling variations:
thieu nang » thien nang, thieu khang, thieu quang
qua cham » qua hai, qua cac, va cham
cham duc » pham duc, cham soc, pham duy
van hanh » van thanh, ban hanh, van anh
te sach » toc sach
nang xa » nang x, lang xa, nang ma
duc van » duc va, duc tan, duc manh
de cua » le cua, dieu cua
te cua » tue cua, le 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 thieu nang xa hoi. hieu qua cham duc van hanh ((de cua) OR (te cua)) tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach thieu nang xa hoi. hieu qua cham duc van hanh ((de cua) OR (te cua)) tu".
• Adding a wildcard symbol may retrieve word variants: te sach thieu nang xa hoi. hieu qua cham duc van hanh ((de cua) OR (te cua)) tu*.