Perhaps you should try some spelling variations:
manh hanh » xanh hanh, danh thanh, minh thanh
thu sang » thu hang, thu san, thu bang
duc manh » suc manh, duc anh, duc minh
cham duc » pham duc, cham soc, pham duy
lang van » dang van, tang van, hoang van
lang xa » lang ha, dang xay
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
tu lang » cu lang, tu lanh, xu lang
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sang) or (tu lang)) ky ((lang xa) or (lang van)) hoi. hieu ve cham duc manh hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sang) OR (tu lang)) ky ((lang xa) OR (lang van)) hoi. hieu ve cham duc manh hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: ((thu sang) or (tu lang)) ky ((lang xa) or (lang van)) hoi. hieu ve cham duc manh hanh vi cua tre*.