Perhaps you should try some spelling variations:
vu khach » vu khanh, vu khac, vay khach
nang cay » nang cao, nang cap, nang cai
cay phoi » cap phoi, tay hoi, cay cho
tan lanh » tai lanh, thanh lanh, tan thanh
lanh hai » manh hai, thanh hai, lang chai
va trien » va truyen, va thiet, va tuyen
vu sach » vu bach, su sach
hieu ve » hieu va, hieu van
cac duc » cac du, cao duc, cac dac
ve cac » va cac, vien cac
hai va » hai van, thai va, hoi va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((vu sach) OR (vu khach)) ky nang cay phoi. hieu ve cac duc tan lanh hai va trien~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu sach) OR (vu khach)) ky nang cay phoi. hieu ve cac duc tan lanh hai va trien".
• Adding a wildcard symbol may retrieve word variants: ((vu sach) OR (vu khach)) ky nang cay phoi. hieu ve cac duc tan lanh hai va trien*.