Perhaps you should try some spelling variations:
hanh kiem » khanh kiem, hanh kem, anh kiem
van hanh » van thanh, ban hanh, van anh
te sach » toc sach
luc van » luoc van, luu van, duc van
chu tre » cho tre, cuu tre, cau tren
chu tri » chua tri, chu thi, chu tai
sach ly » sach y, sach lo, sach ty
van hac » van hoc, van hai, van chat
nang xa » nang x, lang xa, nang ma
ly nang » ky nang, ly hang, ly vang
van ha » van hoa, van chat, van phan

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 xa hoi. hieu ((van hac) or (van ha)) luc van hanh kiem ((chu tre) OR (chu tri))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ly nang xa hoi. hieu ((van hac) OR (van ha)) luc van hanh kiem ((chu tre) OR (chu tri)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ly nang xa hoi. hieu ((van hac) or (van ha)) luc van hanh kiem ((chu tre) OR (chu tri))".
• Adding a wildcard symbol may retrieve word variants: te sach ly nang xa hoi. hieu ((van hac) or (van ha)) luc van hanh kiem ((chu tre) OR (chu tri))*.