Perhaps you should try some spelling variations:
van khang » van khanh, van thanh, van quang
van hang » van hoang, van thang, ban hang
thai cua » than cua, tai cuc, tri cua
te sach » toc sach
mai hoi » mai khoi, dai hoi, lai hoi
hieu ve » hieu va, hieu van
cam duc » cam xuc, cao duc, pham duc
ve cam » ve cham, ve cac, va cam
y nang » ky nang, ly nang, v nang
ma hoi » xa hoi, ma hoa, me hoi
cua te » cua tu

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 y nang ((ma hoi) or (mai hoi)). hieu ve cam duc ((van hang) OR (van khang)) thai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ((ma hoi) OR (mai hoi)). hieu ve cam duc ((van hang) OR (van khang)) thai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang ((ma hoi) or (mai hoi)). hieu ve cam duc ((van hang) OR (van khang)) thai cua te".
• Adding a wildcard symbol may retrieve word variants: te sach y nang ((ma hoi) or (mai hoi)). hieu ve cam duc ((van hang) OR (van khang)) thai cua te*.