Perhaps you should try some spelling variations:
sinh ky » sinh ly, sinh y, kinh ky
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
truc va » thuc va, thuc vat, trung va
va danh » va dinh, va dan, va hanh
ve cau » ke cau, va cau, ve cac
vit ca » viet ca, viet cau
vi ca » li ca, va ca, vi ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sinh ky nang xa hoi. hieu ve cau truc va danh ((vi ca) OR (vit ca)) tren~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sinh ky nang xa hoi. hieu ve cau truc va danh ((vi ca) OR (vit ca)) tren".
• Adding a wildcard symbol may retrieve word variants: hoc sinh ky nang xa hoi. hieu ve cau truc va danh ((vi ca) OR (vit ca)) tren*.