Perhaps you should try some spelling variations:
tru nang » tra nang, tri nang, truc nano
va hanh » van hanh, va thanh, va danh
hai cua » thai cua, dai cua, hoi cua
vai cua » dai cua, lai cua, bai cua
cac xuc » cam xuc, cac nuoc, chat xuc
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
tu sach » thu sach, su sach, te sach
xuc va » duc va, tuc va, luc va
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu hoach) or (tu sach)) tru nang xa hoi. hieu ve cac xuc va hanh ((vai cua) or (hai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu hoach) OR (tu sach)) tru nang xa hoi. hieu ve cac xuc va hanh ((vai cua) OR (hai cua)) tre.
• Adding a wildcard symbol may retrieve word variants: ((thu hoach) or (tu sach)) tru nang xa hoi. hieu ve cac xuc va hanh ((vai cua) or (hai cua)) tre*.