Perhaps you should try some spelling variations:
nang mai » nang ma, nang tai, lang mai
hieu van » hieu va, thien van, lieu va
cau phuc » cau truc, chau phu, huu phuc
hoc cac » hoc cao
mai hoi » mai khoi, dai hoi, lai hoi
cau luc » cau truc
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
ca tren » cau tren, cu tren, la tren
vi ca » vit ca, li ca, va ca

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc cac ky nang mai hoi. hieu van ((cau luc) or (cau phuc)) va danh vi ca tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc cac ky nang mai hoi. hieu van ((cau luc) OR (cau phuc)) va danh vi ca tren.
• Adding a wildcard symbol may retrieve word variants: hoc cac ky nang mai hoi. hieu van ((cau luc) or (cau phuc)) va danh vi ca tren*.