Perhaps you should try some spelling variations:
thai cua » tai cuc, tri cua, dai cua
than cua » nhan cua, ban cua, gian cua
ky dang » ky nang
ky danh » ky anh
hieu ve » hieu va, hieu van
cam duc » cam xuc, cao duc, pham duc
duc van » duc va, duc tan, duc manh
van anh » van thanh, tuan anh, van minh
su sai » su tai, su hai, su dai
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sai ((ky dang) or (ky danh)) xa hoi. hieu ve cam duc van anh ((thai cua) OR (than cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sai ((ky dang) OR (ky danh)) xa hoi. hieu ve cam duc van anh ((thai cua) OR (than cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sai ((ky dang) or (ky danh)) xa hoi. hieu ve cam duc van anh ((thai cua) OR (than cua)) tre".
• Adding a wildcard symbol may retrieve word variants: su sai ((ky dang) or (ky danh)) xa hoi. hieu ve cam duc van anh ((thai cua) OR (than cua)) tre*.